The Resolver,electrical, cataloged under National Stock Number 5990-01-116-2181, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-116-2181 |
| Primary Part Number | 14339-002 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Shaft Radial Play Test Point | 0.125 INCHES MAXIMUM IN |
| Flange Diameter | 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 315.00 NOMINAL |
| Undercut Diameter | 0.6910 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND A |
| Shaft Radial Play Determining Weight | 4.0 OUNCES OZ |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Shaft Maximum Runout | 0.0010 INCHES IN |
| Rotor Input Electrical Power Rating | 105.0 MILLIWATTS NOMINAL |
| Phase Shift Angle in Deg | 11.500 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2400 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 400.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 1250.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft End Play Determining Weight | 8.0 OUNCES OZ |
| Shaft Maximum Radial Play | 0.0008 INCHES IN |
| Schematic Diagram Designator | 1 ROTOR, 2 STATOR |
| Shaft Length | 0.2100 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.5000 INCHES MAXIMUM IN |
| Terminal Designator and Schematic Position | CONNECTION R1 POSITION A AND CONNECTION R2 POSITION B AND CONNECTION R3 POSITION C AND CONNECTION S1 POSITION H AND CONNECTION S2 POSITION E AND CONNECTION S3 POSITION J AND CONNECTION S4 POSITION F |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 35.00 |
| Shaft Slot Width | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CM4-1034-236 | Kearfott Corp Div Kearfott Corporation (USA) |
| 8-RC-300-Y-42 | American Precision Industries, Inc Div Portescap Us (USA) |
| 14339-002 PRIMARY | Astronautics Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| CSH-8-BB-0004/L902 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-01-116-2181 is a Resolver,electrical, manufactured by Astronautics Corporation of America, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-116-2181 has 3 manufacturer part numbers on file: CM4-1034-236 (Kearfott Corp Div Kearfott Corporation), 8-RC-300-Y-42 (American Precision Industries, Inc Div Portescap Us), 14339-002 (Astronautics Corporation of America).
Key specifications for 14339-002: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Shaft Radial Play Test Point: 0.125 INCHES MAXIMUM IN; Flange Diameter: 0.7500 INCHES MAXIMUM IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.